WEBScott Joseph Luken, age 52 of Yankton, SD passed away unexpectedly on Thursday, September 9, 2021, at Avera Heart Hospital in Sioux Falls, SD. A memorial Celebration of Scott’s Life will be at 2 to 7:00 p.m. Tuesday, September 14, 2021, at Yankton’s Riverside Park, in the Territorial Capital Building.